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PEHowland:
On my car, if I manually override the cruise control (i.e. put my foot on the throttle) the cruise control disengages until I manually reengage it.
Not sure what car's have to do with plane systems, but anyway just fyi my VW accelerates and does not disengage the cruise control, when I step off the gas it decelerates and goes back to original speed. My Renault does the same. Cruise control is
not disengaged when you accelerate.
The same with A/T, I believe the post further up sums it up. The apparent expectation that A/T would disengage when manual trust was applied is wrong. After manual trust was given both hands on stick to manage pitch, A/T went back to retard.
Questions:
1. Is this behavior documented and clearly communicated/trained?
2. If not, perhaps Boeing should look at disengaging A/T when thrust is changed manually?